Sunday 23 August 2015
When the International Astronomical Union amended the definition of a planet in 2006, relegating Pluto to the status of a dwarf planet, many were surprised to learn of the existence of other dwarf planets which would keep Pluto company in this category of smaller celestial objects. Eris, Haumea, Makemake and Ceres, which is located within the asteroid belt between Mars and Jupiter, are all dwarf planets alongside Pluto by the 2006 IAU definition.
